package com.bong.ring.fragment;

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.bong.ring.R;
import com.github.mikephil.charting.charts.BarChart;
import com.github.mikephil.charting.charts.LineChart;
import com.github.mikephil.charting.components.Legend;
import com.github.mikephil.charting.components.XAxis;
import com.github.mikephil.charting.components.YAxis;
import com.github.mikephil.charting.data.BarData;
import com.github.mikephil.charting.data.BarDataSet;
import com.github.mikephil.charting.data.BarEntry;
import com.github.mikephil.charting.formatter.DefaultAxisValueFormatter;
import com.github.mikephil.charting.interfaces.datasets.IBarDataSet;
import com.github.mikephil.charting.utils.ColorTemplate;

import java.util.ArrayList;

/**
 * A simple {@link Fragment} subclass.
 * Activities that contain this fragment must implement the
 * {@link TabFragmentData.OnFragmentInteractionListener} interface
 * to handle interaction events.
 * Use the {@link TabFragmentData#newInstance} factory method to
 * create an instance of this fragment.
 */
public class TabFragmentData extends Fragment {
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    private OnFragmentInteractionListener mListener;
    private View sportView, sleepView, heartView;
    private TextView sportText, sleepText, heartText;
    private BarChart sportChart, sleepChart;
    private LineChart heartChart;

    public TabFragmentData() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment TabFragmentData.
     */
    // TODO: Rename and change types and number of parameters
    public static TabFragmentData newInstance(String param1, String param2) {
        TabFragmentData fragment = new TabFragmentData();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View v = inflater.inflate(R.layout.fragment_data, container, false);
        sportView = v.findViewById(R.id.sport_report);
        sleepView = v.findViewById(R.id.sport_report_sleep);
        heartView = v.findViewById(R.id.sport_report_heart);

        sportText = sportView.findViewById(R.id.text_data);
        sleepText = sleepView.findViewById(R.id.text_data);
        heartText = heartView.findViewById(R.id.text_data);

        sportChart = sportView.findViewById(R.id.chart);
        sleepChart = sleepView.findViewById(R.id.chart);
        heartChart = heartView.findViewById(R.id.chart);

        return v;
    }

    @Override
    public void onResume() {
        sportChart.setPinchZoom(false);
        sportChart.setDoubleTapToZoomEnabled(false);
        sportChart.getDescription().setEnabled(false);
        sportChart.setDrawGridBackground(false);
        sportChart.setScaleEnabled(false);

        XAxis xAxis = sportChart.getXAxis();
        xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
        xAxis.setDrawGridLines(false);
        xAxis.setGranularity(1f); // only intervals of 1 day
        xAxis.setLabelCount(8);
        xAxis.setValueFormatter(new DefaultAxisValueFormatter(0));

        YAxis leftAxis = sportChart.getAxisLeft();
        leftAxis.setLabelCount(2, false);
        leftAxis.setValueFormatter(new DefaultAxisValueFormatter(0));
        leftAxis.setPosition(YAxis.YAxisLabelPosition.OUTSIDE_CHART);
        leftAxis.setSpaceTop(15f);
        leftAxis.setAxisMinimum(0f); // this replaces setStartAtZero(true)

        sportChart.getAxisRight().setEnabled(false);

        Legend l = sportChart.getLegend();
        l.setVerticalAlignment(Legend.LegendVerticalAlignment.BOTTOM);
        l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.LEFT);
        l.setOrientation(Legend.LegendOrientation.HORIZONTAL);
        l.setDrawInside(false);
        l.setForm(Legend.LegendForm.SQUARE);
        l.setFormSize(9f);
        l.setTextSize(11f);
        l.setXEntrySpace(4f);

        setData(sportChart, 10, 30);
        sportChart.animateY(1000);
        super.onResume();
    }

    private void setData(BarChart mChart, int count, float range) {

        float start = 1f;

        ArrayList<BarEntry> yVals1 = new ArrayList<BarEntry>();

        for (int i = (int) start; i < start + count + 1; i++) {
            float mult = (range + 1);
            float val = (float) (Math.random() * mult);
            yVals1.add(new BarEntry(i, val));
        }

        BarDataSet set1;

        if (mChart.getData() != null &&
                mChart.getData().getDataSetCount() > 0) {
            set1 = (BarDataSet) mChart.getData().getDataSetByIndex(0);
            set1.setValues(yVals1);
            mChart.getData().notifyDataChanged();
            mChart.notifyDataSetChanged();
        } else {
            set1 = new BarDataSet(yVals1, "The year 2018");
            set1.setDrawIcons(false);
            set1.setColors(ColorTemplate.COLORFUL_COLORS);
            ArrayList<IBarDataSet> dataSets = new ArrayList<IBarDataSet>();
            dataSets.add(set1);
            BarData data = new BarData(dataSets);
            data.setValueTextSize(10f);
            data.setBarWidth(0.9f);
            mChart.setData(data);
        }
    }

    // TODO: Rename method, update argument and hook method into UI event
    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onFragmentInteraction(uri);
        }
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof OnFragmentInteractionListener) {
            mListener = (OnFragmentInteractionListener) context;
        } else {
//            throw new RuntimeException(context.toString()
//                    + " must implement OnFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    /**
     * This interface must be implemented by activities that contain this
     * fragment to allow an interaction in this fragment to be communicated
     * to the activity and potentially other fragments contained in that
     * activity.
     * <p>
     * See the Android Training lesson <a href=
     * "http://developer.android.com/training/basics/fragments/communicating.html"
     * >Communicating with Other Fragments</a> for more information.
     */
    public interface OnFragmentInteractionListener {
        // TODO: Update argument type and name
        void onFragmentInteraction(Uri uri);
    }
}
